From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1B66C43331 for ; Fri, 6 Sep 2019 16:51:59 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BE8CA20838 for ; Fri, 6 Sep 2019 16:51:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FHUUqPos" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BE8CA20838 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:58678 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i6HSo-0007Ex-Uf for qemu-devel@archiver.kernel.org; Fri, 06 Sep 2019 12:51:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56588) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i6Gyg-0004dP-Rl for qemu-devel@nongnu.org; Fri, 06 Sep 2019 12:20:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i6Gye-0004V2-Su for qemu-devel@nongnu.org; Fri, 06 Sep 2019 12:20:50 -0400 Received: from mail-pg1-x544.google.com ([2607:f8b0:4864:20::544]:42562) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1i6Gye-0004U2-HQ; Fri, 06 Sep 2019 12:20:48 -0400 Received: by mail-pg1-x544.google.com with SMTP id p3so3757690pgb.9; Fri, 06 Sep 2019 09:20:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references; bh=BqZxa+I3OpziNNsDCC8PfvmCImmUZ+ekj3g3hNH4Yh8=; b=FHUUqPosCrXMDqVgQaDyejsX7Mh1IBS+XDvvAEsjtQQYRRBLlZiUSVK9l0TksJPMWT qy/z3ouZZo2JGhLwf+Eu+m3bYuwlG09NJ1mxO9Q8BZLddi9lvlACUaoiHYzAFzLP7FmZ o5c2HPpydzd1gTDNfaKBwD48NP93lHRJsXbe6Mlxc01X1rj8u+Q+8TiVRLmimEcJw6ZX PseXW5tIUkttveZA6wIv6Vqevy0Vbr8mlrWNoZAUJd0PMJxgoCYwk/g1thIowDORJNkw ofBrTh35z/QHtP606hxO24IYyMWgg+PkPTfwOVw+9fFULpBdPDaWlX8bTOcccsqwN2BV TKVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=BqZxa+I3OpziNNsDCC8PfvmCImmUZ+ekj3g3hNH4Yh8=; b=TawB+g5G6mDgYzFYFC5ZbBBpLw4lmG+Ok9OUAm0FQdLNTuapAcnxvfYUyb2UEeFZgi 43SSEeNVTP6Pb7a4CoYZh7NhRnorbL6WQaQHpq6m1qCpk6me2PqKG3M0hxRcsaqFc5vX vzUDLyw6VlvRBAnfiy0xualFpcki6ZXCCW1b4XgNAeocrZ0nhggDjXlPM0zeVMWxDQ77 g4HgFOSObA2dKCA6Sqphox82NHwjHPSaUn5hncShjILW6tWzsI/0QMyUXz9a1BOAbNlx zHbpNxmuRzEzviSL1dC5G7P/p8fQjRTI6WkCKhzzpYJj31RKUe8Vh8vn+ft3huszMt6z UZmA== X-Gm-Message-State: APjAAAUokb7Dh2U9kZTcJW45O41gu8upi8fGiVpXgbnN7V0bC/+PR5/P 8IPM7JgBQgl5Xpaw/zrpLbk= X-Google-Smtp-Source: APXvYqzUcB/Nc9qCVQpb+AhY8XzFwWY/pC537Lm+fvsMCspCVsEq4aJXeeKwvndltNiORaiAGmnvUQ== X-Received: by 2002:aa7:9117:: with SMTP id 23mr11464047pfh.94.1567786847655; Fri, 06 Sep 2019 09:20:47 -0700 (PDT) Received: from localhost.localdomain (unknown-224-80.windriver.com. [147.11.224.80]) by smtp.gmail.com with ESMTPSA id f89sm11146228pje.20.2019.09.06.09.20.46 (version=TLS1 cipher=AES128-SHA bits=128/128); Fri, 06 Sep 2019 09:20:47 -0700 (PDT) From: Bin Meng To: Alistair Francis , Palmer Dabbelt , qemu-devel@nongnu.org, qemu-riscv@nongnu.org Date: Fri, 6 Sep 2019 09:20:09 -0700 Message-Id: <1567786819-22142-23-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1567786819-22142-1-git-send-email-bmeng.cn@gmail.com> References: <1567786819-22142-1-git-send-email-bmeng.cn@gmail.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::544 Subject: [Qemu-devel] [PATCH v8 22/32] riscv: sifive_u: Generate hfclk and rtcclk nodes X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" To keep in sync with Linux kernel device tree, generate hfclk and rtcclk nodes in the device tree, to be referenced by PRCI node. Signed-off-by: Bin Meng Reviewed-by: Alistair Francis --- Changes in v8: None Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None hw/riscv/sifive_u.c | 23 +++++++++++++++++++++++ include/hw/riscv/sifive_u.h | 2 ++ 2 files changed, 25 insertions(+) diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index 713c451..3ee6fcb 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -79,6 +79,7 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, char ethclk_names[] = "pclk\0hclk\0tx_clk"; uint32_t plic_phandle, ethclk_phandle, phandle = 1; uint32_t uartclk_phandle; + uint32_t hfclk_phandle, rtcclk_phandle; fdt = s->fdt = create_device_tree(&s->fdt_size); if (!fdt) { @@ -97,6 +98,28 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cell(fdt, "/soc", "#size-cells", 0x2); qemu_fdt_setprop_cell(fdt, "/soc", "#address-cells", 0x2); + hfclk_phandle = phandle++; + nodename = g_strdup_printf("/hfclk"); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_cell(fdt, nodename, "phandle", hfclk_phandle); + qemu_fdt_setprop_string(fdt, nodename, "clock-output-names", "hfclk"); + qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", + SIFIVE_U_HFCLK_FREQ); + qemu_fdt_setprop_string(fdt, nodename, "compatible", "fixed-clock"); + qemu_fdt_setprop_cell(fdt, nodename, "#clock-cells", 0x0); + g_free(nodename); + + rtcclk_phandle = phandle++; + nodename = g_strdup_printf("/rtcclk"); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_cell(fdt, nodename, "phandle", rtcclk_phandle); + qemu_fdt_setprop_string(fdt, nodename, "clock-output-names", "rtcclk"); + qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", + SIFIVE_U_RTCCLK_FREQ); + qemu_fdt_setprop_string(fdt, nodename, "compatible", "fixed-clock"); + qemu_fdt_setprop_cell(fdt, nodename, "#clock-cells", 0x0); + g_free(nodename); + nodename = g_strdup_printf("/memory@%lx", (long)memmap[SIFIVE_U_DRAM].base); qemu_fdt_add_subnode(fdt, nodename); diff --git a/include/hw/riscv/sifive_u.h b/include/hw/riscv/sifive_u.h index 6b2b5b6..2441814 100644 --- a/include/hw/riscv/sifive_u.h +++ b/include/hw/riscv/sifive_u.h @@ -69,6 +69,8 @@ enum { enum { SIFIVE_U_CLOCK_FREQ = 1000000000, + SIFIVE_U_HFCLK_FREQ = 33333333, + SIFIVE_U_RTCCLK_FREQ = 1000000, SIFIVE_U_GEM_CLOCK_FREQ = 125000000 }; -- 2.7.4